package example002;
//定义Animal类
class Animal {
    private  String name;
    private int age;
    public void setName (String name){
        this.name = name;
    }
    public String getName (){
        return name;
    }
    public int getAge(){
        return age;
    }
    public void setAge (int age) {
        this.age = age;
    }
}
//定义Dog类继承Animal类
class  Dog extends Animal {
    private String color;//定义color属性
    public String getColor(){
        return  color;
    }
    public void setColor (String color){
        this.color = color;
    }
}
public class Example02 {
    public static void main (String[] args) {
        Dog dog = new Dog();
        dog.setName ("牧羊犬");
        dog.setAge(3);
        dog.setColor("黑色");
        System.out.println("名称："+dog.getName()+",年龄："+dog.getAge() +",颜色："
        +dog.getColor());
    }
}